Material or article handling – Marine loading or unloading system – With weather cover
Patent
1991-10-30
1994-06-21
Huppert, Michael S.
Material or article handling
Marine loading or unloading system
With weather cover
4141371, 4141407, 114201R, B63B 1914
Patent
active
053224051
ABSTRACT:
A dust control system to prevent the escape of dust from a cargo hold during bulk materials cargo handling operations wherein a plurality of rigid frames are suspended in parallel configuration across the hold. Unloading equipment is inserted through the frames and the frames are freely traversable between opposite sides of the hold while tarpaulins disposed on either side of the frames expand or accordion as the frames' positions are shifted in order maintain coverage from side to side. Fixed tarps cover the rest of the hold. Curtains extending downwardly from the frames and from those tarpaulins affixed to the frames engage the fixed tarps in an abutting relation to form a seal.
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patent: 3785322 (1974-01-01), Kersteter
patent: 4630561 (1986-12-01), Franz et al.
patent: 4658948 (1987-04-01), Miller
patent: 4714097 (1987-12-01), Binzen et al.
patent: 4990045 (1991-02-01), Aralt
Translation of Artemev, Soviet patent document 672097, previously cited in Russian.
Perbix Clarence H.
Swensson Kennet
Consilium CMH
Huppert Michael S.
Morse Gregory A.
Pacific Coast Cement Corporation
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